import axios from 'axios'
import { Feedback } from '@icedesign/base';
import { hashHistory } from 'react-router';

axios.interceptors.response.use(response =>response , (err) => {
    if (err && err.response) {
        switch (err.response.status) {
            case 400: err.message = '请求错误(400)' ; break;
            case 401: err.message = '未授权，请重新登录(401)'; setTimeout(() => { hashHistory.push('/login') }, 1000); break;
            case 403: err.message = '拒绝访问(403)'; break;
            case 404: err.message = '请求出错(404)'; break;
            case 408: err.message = '请求超时(408)'; break;
            case 500: err.message = '服务器错误(500)'; break;
            case 501: err.message = '服务未实现(501)'; break;
            case 502: err.message = '网络错误(502)'; break;
            case 503: err.message = '服务不可用(503)'; break;
            case 504: err.message = '网络超时(504)'; break;
            case 505: err.message = 'HTTP版本不受支持(505)'; break;
            default: err.message = `连接出错(${err.response.status})!`;
        }
    }else{
        err.message = '连接服务器失败!'
    }
    Feedback.toast.error(err.message);
    return Promise.reject(err);
});

axios.defaults.timeout = 10000
export default {
  async fetchGet (url) {
    let data = await axios.get( url, { withCredentials:false, headers : fetchHeader() })
    return after(data)
  },
  async fetchPost (url, params = {}) {
    let data = await axios.post( url, params , { withCredentials:false, headers : fetchHeader()})
    return after(data)
  },
  async fetchUpload (url, file) {
    let formData = new FormData();
    formData.append('file', file)
    let data = await axios.post( url, formData, { withCredentials:false, headers: {'Content-Type': 'multipart/form-data'} })
    return after(data)
  }
}

export const fetchHeader = () => {
  return { 'Content-Type' : 'application/json' }
}

export const after = (data) => {
  if(data.state < 200 || data.state >= 400){ throw { message : data.statusText } }
  if(!data.data.success){ throw { message : data.data.message } }
  return data.data.data
}